Posted by MBH on Monday, October 3, 2011 at 5:56pm.
Calculate the molarity of each ion in 0.300 M Na2SO4. Enter a zero for an ion that doesn't occur in the compound.
______ M Na1+
______ 2 M S2
______ 3 M O 2
______ M SO42

chemistry  DrBob222, Monday, October 3, 2011 at 9:50pm
0.3M Na2SO4 means you have
0.3 moles Na2SO4/L soln.
So you will have 0.3M Na2SO4, 0.6M Na^+, 0.3M S, 4*0.3M O and 0.3M SO4^2.
I have no idea what 2 M S2 or 3 M O 2 is.
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